Answer:
then answer it
Step-by-step explanation:
Answer:
Expressed as a mixed number in its simplest form, 27/4 is equal
to 6 3/4 or six and three quarters.
Step-by-step explanation:
Answer:
(2). <em>b - (a + c)i </em>
Step-by-step explanation:
= [( i )²]³ × i = ( - 1)³ i = - i
=
× i = i
a(- i ) + b( 1 ) - c( i ) = - ai + b - ci = <em>b - (a + c)i</em>
I hope this helps you
30 degree => k
60 degree=> k square root of 3
90 degree=> 2k
sin30=k/2k
sin30=1/2